JPH09196349A - Method for decomposing chloro fluorocarbon utilizing waste melting furnace - Google Patents
Method for decomposing chloro fluorocarbon utilizing waste melting furnaceInfo
- Publication number
- JPH09196349A JPH09196349A JP8166452A JP16645296A JPH09196349A JP H09196349 A JPH09196349 A JP H09196349A JP 8166452 A JP8166452 A JP 8166452A JP 16645296 A JP16645296 A JP 16645296A JP H09196349 A JPH09196349 A JP H09196349A
- Authority
- JP
- Japan
- Prior art keywords
- melting furnace
- waste melting
- combustion chamber
- cfcs
- cfc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Gasification And Melting Of Waste (AREA)
- Treating Waste Gases (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本願発明は、家庭用冷蔵庫、
業務用冷蔵庫、自動車等から回収されたフロンの分解法
に関し、特に、廃棄物溶融炉又はその後段に設置されて
いる燃焼室を利用したフロン分解方法に関する。TECHNICAL FIELD The present invention relates to a household refrigerator,
The present invention relates to a method for decomposing CFCs collected from commercial refrigerators, automobiles, etc., and particularly to a method for decomposing CFCs using a waste melting furnace or a combustion chamber installed in the subsequent stage.
【０００２】[0002]
【従来の技術】オゾン層破壊物質であるフロンの分解法
として、高周波熱プラズマによる超高温加水分解法、産
業廃棄物焼却炉であるロータリーキルンを利用した分解
法及び高温高圧における湿式分解を利用した超臨界分解
法等が提案されている。2. Description of the Related Art As a method for decomposing CFC, which is an ozone depleting substance, an ultrahigh temperature hydrolysis method using high frequency thermal plasma, a decomposition method using a rotary kiln that is an industrial waste incinerator, and an ultra high temperature high pressure wet decomposition method. A critical decomposition method has been proposed.
【０００３】[0003]
【発明が解決しようとする課題】これらの分解法のう
ち、プラズマ分解法、超臨界分解法においては、フロン
分解のために専用設備を設けなければならず、さらに、
経済的にも処理コストが高くつくという欠点がある。Among these decomposition methods, in the plasma decomposition method and the supercritical decomposition method, a dedicated facility must be provided for the CFC decomposition.
There is a drawback in that the processing cost is high economically.
【０００４】また、ロータリーキルンを利用した分解法
においては、ロータリーキルンの炉内温度をフロン分解
に必要な温度約８００°Ｃ程度以上に保たなければなら
ないが、この温度はキルン内にクリンカを発生させる温
度に近く、本来の廃棄物処理炉としての操業に負担をか
けることになる。また、キルン内の温度をクリンカ溶融
温度１２００°Ｃ以上にして運転させると、炉内耐火物
の損傷を来たすという問題がある。Further, in the decomposition method using a rotary kiln, the temperature inside the furnace of the rotary kiln must be maintained at about 800 ° C. or higher required for CFC decomposition, but this temperature causes a clinker in the kiln. Since the temperature is close to the temperature, the operation of the original waste treatment furnace will be burdened. Further, when the kiln is operated at a clinker melting temperature of 1200 ° C. or higher, there is a problem that the refractory in the furnace is damaged.
【０００５】そこで、本願発明は、廃棄物溶融炉又はそ
の後段に設置されている燃焼室を利用して、特別な設備
を付加することなく、オゾン層破壊物質であるフロンを
連続かつ安全に分解処理するフロン分解方法を提供する
ものである。Therefore, the present invention utilizes the waste melting furnace or the combustion chamber installed in the subsequent stage to continuously and safely decompose CFCs, which are ozone depleting substances, without adding special equipment. The present invention provides a CFC decomposition method for processing.
【０００６】[0006]
【課題を解決するための手段】本願発明は、回収された
フロンを蒸発器でガス化蒸発させた後、蒸発したフロン
単独又は混合器により水蒸気を混合させ、蒸発物を廃棄
物溶融炉の下部の高温部もしくは廃棄物溶融炉の後段に
配設された燃焼室の燃焼領域に直接導入するか又は廃棄
物溶融炉の空気吹き込み配管もしくは燃焼室の空気吹き
込み配管に導入し、フロンを高温で加水分解及び酸化分
解する廃棄物溶融炉を利用したフロン分解方法である。According to the present invention, the recovered CFCs are gasified and evaporated in an evaporator, and then the evaporated CFCs or steam is mixed by a mixer to evaporate the CFCs into a lower part of a waste melting furnace. Of the chlorofluorocarbon at high temperature, or directly into the combustion area of the combustion chamber installed in the latter stage of the waste melting furnace, or into the air blowing pipe of the waste melting furnace or the air blowing pipe of the combustion chamber. It is a CFC decomposition method using a waste melting furnace that decomposes and oxidizes and decomposes.
【０００７】[0007]
【発明の実施の形態】シャフト炉方式の廃棄物溶融炉に
よる廃棄物処理は、炉に装入された一般廃棄物あるいは
産業廃棄物等を乾燥、熱分解、燃焼、溶融の過程を経
て、廃棄物をスラグとして取り出すものである。BEST MODE FOR CARRYING OUT THE INVENTION Waste treatment by a shaft furnace type waste melting furnace is carried out by drying, pyrolyzing, burning, and melting general waste or industrial waste loaded in the furnace and discarding it. The thing is taken out as slag.
【０００８】前記溶融炉は、円形断面のシャフト型の炉
体をしており、炉内に装入された廃棄物を乾燥、熱分
解、燃焼及び溶融させるために、燃料であるコークスを
燃焼させる。コークス燃焼のために、炉体の下部には図
１に示すとおり単段又は図示はしていない複数段の羽口
が設けられ、これら羽口のうち、上下２段の羽口の場合
においては、炉床部近くに配置された下段羽口は単段の
場合と同様に酸素を富化した空気を吹き込み、また、下
段羽口の上に配置された上段羽口は空気を吹き込むよう
になっている。The melting furnace has a shaft-shaped furnace body having a circular cross section, and burns coke, which is a fuel, in order to dry, pyrolyze, burn and melt the waste charged in the furnace. . For coke combustion, a single stage or multiple stages not shown are provided in the lower part of the furnace body as shown in FIG. 1, and in the case of upper and lower two stages of tuyeres, As in the case of the single stage, the lower tuyeres placed near the hearth blow air with oxygen-enriched air, and the upper tuyeres placed above the lower tuyeres blow air. ing.
【０００９】前記廃棄物溶融炉の操業では、炉内におい
て、装入物中の可燃分が熱分解して残渣が発生する。発
生した熱分解残渣は羽口から送られてきた空気によって
燃焼するかあるいは炉内で溶融される。また、熱分解で
生成されたガスは炉上部から排出され、後段に設置され
ている燃焼室で完全燃焼される。In the operation of the waste melting furnace, the combustible components in the charge are thermally decomposed in the furnace to generate a residue. The generated thermal decomposition residue is burned by the air sent from the tuyere or melted in the furnace. Further, the gas generated by thermal decomposition is discharged from the upper part of the furnace and completely combusted in the combustion chamber installed in the latter stage.
【００１０】前記廃棄物溶融炉下部の温度は、通常、運
転温度が１２００°Ｃから１６００°Ｃ程度であり、滞
留分解時間は０．５〜２秒程度ある。また、燃焼室燃焼
領域の温度は常時８００〜９５０°Ｃ程度あり、滞留時
間も２秒以上ある。Regarding the temperature of the lower part of the waste melting furnace, the operating temperature is usually about 1200 ° C to 1600 ° C, and the residence decomposition time is about 0.5 to 2 seconds. The temperature in the combustion region of the combustion chamber is always about 800 to 950 ° C, and the residence time is 2 seconds or more.
【００１１】フロンを前記溶融操業及び溶融炉構成機器
に支障のない程度の量を導入することにより、フロンを
分解処理することができる。CFC can be decomposed by introducing CFC into the melting operation and melting furnace components in an amount that does not hinder the operation.
【００１２】冷媒として使用されたフロンは、フロン回
収機により回収ボンベ（１キロ〜１トン）に回収され
る。フロンの沸点は、組成により異なるが、本願発明に
おいては、沸点が４０°Ｃ未満のものについては、回収
貯蔵されたフロンボンベを温水もしくは温風により高圧
ガス取締法に従って４０°Ｃ未満で暖めることにより、
ボンベ内のフロンを蒸発させる。また、沸点が４０°Ｃ
以上のものについては、液相であるからポンプを利用し
て抜出し、蒸発器（熱交換器）を用いて蒸発させる。蒸
発させたフロンは、蒸発したフロン単独又は混合器によ
りフロン分解に必要な量の水蒸気を混合させ、１２００
〜１６００°Ｃ程度の温度領域にある溶融炉下部もしく
は８００〜９５０°Ｃ程度ある燃焼室燃焼領域へ直接装
入するか又は溶融炉もしくは燃焼室へ送り込まれる空気
に混入させて導入すると、８００°Ｃ以上の高温に保た
れている廃棄物溶融炉下部の高温部又は燃焼室燃焼領域
で分解反応が進行し、フロンは弗酸、塩酸、水あるいは
炭酸ガス等に分解される。CFC used as a refrigerant is recovered in a recovery cylinder (1 kg to 1 ton) by a CFC recovery machine. Although the boiling point of CFCs varies depending on the composition, in the present invention, for CFCs having a boiling point of less than 40 ° C, warm the collected and stored CFC cylinders with warm water or warm air at a temperature of less than 40 ° C according to the high-pressure gas control method. Due to
Evaporate the CFCs in the cylinder. Also, the boiling point is 40 ° C.
The above materials are in the liquid phase, so they are extracted using a pump and evaporated using an evaporator (heat exchanger). The evaporated Freon is mixed with the evaporated Freon alone or by a mixer to mix water vapor in an amount necessary for the Freon decomposition.
When directly charged into the lower part of the melting furnace in the temperature range of approximately 1600 ° C or in the combustion region of the combustion chamber in the range of 800 to 950 ° C, or when mixed with the air sent to the melting furnace or the combustion chamber and introduced, 800 ° A decomposition reaction proceeds in the high temperature part of the lower part of the waste melting furnace or a combustion chamber combustion area which is maintained at a high temperature of C or higher, and CFCs are decomposed into hydrofluoric acid, hydrochloric acid, water or carbon dioxide gas.
【００１３】フロンの分解には、有毒ガスの発生を押さ
えるために、水素源と酸素源が必要である。よって、そ
の両方の原子を保有する水（水蒸気）と酸素を含有する
空気をフロンとともに高温にて反応させることにより、
分解反応は進行する。フロン分解反応の例を以下に示
す。Decomposition of CFC requires a hydrogen source and an oxygen source in order to suppress generation of toxic gas. Therefore, by reacting water (steam) holding both atoms and oxygen-containing air with CFC at high temperature,
The decomposition reaction proceeds. An example of the CFC decomposition reaction is shown below.
【００１４】（１） ＣＦＣ−１１の場合の反応 ＣＣｌ3Ｆ＋２Ｈ2Ｏ→ＣＯ2＋３ＨＣｌ＋ＨＦ （２） ＣＦＣ−１２の場合の反応 ＣＣｌ2Ｆ2＋２Ｈ2Ｏ→ＣＯ2＋２ＨＣｌ＋２ＨＦ （３） ＣＦＣ−１１３の場合の反応 Ｃ2Ｃｌ3Ｆ3＋４Ｈ2Ｏ＋０．５Ｏ2→２ＣＯ2＋３ＨＣｌ
＋３ＨＦ＋Ｈ2Ｏ （４） ＣＦＣ−１１４の場合の反応 Ｃ2Ｃｌ2Ｆ4＋４Ｈ2Ｏ＋０．５Ｏ2→２ＣＯ2＋２ＨＣｌ
＋４ＨＦ＋Ｈ2Ｏ （５） ＣＦＣ−１１５の場合の反応 Ｃ2ＣｌＦ5＋４Ｈ2Ｏ＋０．５Ｏ2→２ＣＯ2＋ＨＣｌ＋
５ＨＦ＋Ｈ2Ｏ （６） ＨＣＦＣ−２２の場合の反応 ＣＨＣｌＦ2＋２Ｈ2Ｏ＋０．５Ｏ2→ＣＯ2＋ＨＣｌ＋２
ＨＦ＋Ｈ2Ｏ 一般的に、フロンの分解は、無触媒の場合、８００°Ｃ
以上必要と言われているが、本願発明では、約８００°
Ｃに保持されている溶融炉又は燃焼室を利用するので、
フロンの分解に必要な高温が、系外から新たな熱源を何
ら必要とすることなく容易に得られる。(1) Reaction in the case of CFC-11 CCl 3 F + 2H 2 O → CO 2 + 3HCl + HF (2) Reaction in the case of CFC-12 CCl 2 F 2 + 2H 2 O → CO 2 + 2HCl + 2HF (3) CFC-113 Reaction in the case C 2 Cl 3 F 3 + 4H 2 O + 0.5O 2 → 2CO 2 + 3HCl
+ 3HF + H 2 O (4) Reaction in the case of CFC-114 C 2 Cl 2 F 4 + 4H 2 O + 0.5O 2 → 2CO 2 + 2HCl
+ 4HF + H 2 O (5) Reaction in the case of CFC-115 C 2 ClF 5 + 4H 2 O + 0.5O 2 → 2CO 2 + HCl +
5HF + H 2 O (6) Reaction in the case of HCFC-22 CHClF 2 + 2H 2 O + 0.5O 2 → CO 2 + HCl + 2
HF + H 2 O Generally, CFC decomposition is 800 ° C without catalyst.
It is said that the above is necessary, but in the present invention, about 800 °
Since the melting furnace or combustion chamber held at C is used,
The high temperature required for the decomposition of CFC can be easily obtained from outside the system without any new heat source.
【００１５】[0015]
【実施例】本願発明の実施例を図１を用いて説明する。Embodiment An embodiment of the present invention will be described with reference to FIG.
【００１６】冷媒等として使用されたフロンは、フロン
回収機によりフロンボンベ１（１キロ〜１トン）に回
収、貯蔵されている。沸点が４０°Ｃ未満のフロンの場
合、ボンベ１は、フロン蒸発器２で加熱され、ボンベ１
内フロンは蒸発する。この場合、フロン蒸発器２は、温
水浴槽形式、温水散布形式、又は熱風加熱方式のいずれ
でもよい。蒸発したフロンを加熱器３で加熱する。沸点
４０°Ｃ以上のフロンの場合、液相であるからポンプ４
で吸い出し、蒸発器５（約１６５°Ｃ）に送り込み蒸発
させる。各々蒸発させたフロンは、ヒータ６で加熱（約
１６０°Ｃ）された水蒸気とフロン混合器７で加熱混合
させる。必要水蒸気量は、前記反応式から分かるよう
に、ＣＦ2Ｃｌ2の場合、ＣＦＣ−１２モル数の２倍以上
好ましくは３倍程度が望ましい。また、水蒸気分圧を上
げることにより分解がよくなる。他のフロンの場合も同
様に反応必要モル数の１．０倍〜１．５倍以上の水蒸気
モル数が分解反応に好ましい。水蒸気と混合されたフロ
ンは、廃棄物溶融炉８の下部９もしくは溶融炉８の後段
に配設された燃焼室１０に直接導入してもよいし、ま
た、それぞれに供給される空気ライン１１，１２に導入
してもよい。溶融炉７の下部に導入されたフロンは、溶
融炉７の下部温度１２００〜１６００°Ｃ及び滞留時間
０．５〜１秒で９９％以上分解される。燃焼室９におい
ても燃焼室温度８００〜９５０°Ｃ及び滞留時間２秒の
間に同様に９９％以上分解される。分解ガス中の塩酸及
び弗酸は、図示はしていないが、溶融炉の後流側に配設
されるダクト中に消石灰の吹き込みを行うことにより、
そのほとんどが下記の反応により吸収され、その他は大
気に放出される。Freon used as a refrigerant or the like is collected and stored in a Freon cylinder 1 (1 kilo to 1 ton) by a Freon recovery machine. In the case of CFCs having a boiling point of less than 40 ° C, the cylinder 1 is heated by the CFC evaporator 2 and
Inner Freon evaporates. In this case, the CFC evaporator 2 may be of a hot water bath type, a hot water spraying type, or a hot air heating type. The evaporated freon is heated by the heater 3. In the case of CFCs with a boiling point of 40 ° C or higher, the pump 4
It is sucked out and sent to the evaporator 5 (about 165 ° C) for evaporation. Each of the evaporated fluorocarbons is heated and mixed by the fluorocarbon mixer 7 with the steam heated by the heater 6 (about 160 ° C.). As can be seen from the above reaction formula, the required amount of water vapor is preferably 2 times or more, and more preferably about 3 times the number of moles of CFC-12 in the case of CF 2 Cl 2 . Further, the decomposition becomes better by increasing the partial pressure of water vapor. Similarly, in the case of other fluorocarbons, the number of moles of water vapor which is 1.0 to 1.5 times or more the number of moles required for the reaction is preferable for the decomposition reaction. The chlorofluorocarbon mixed with the steam may be directly introduced into the combustion chamber 10 provided in the lower portion 9 of the waste melting furnace 8 or the subsequent stage of the melting furnace 8, or the air lines 11 supplied to each of them. 12 may be introduced. The CFCs introduced into the lower portion of the melting furnace 7 are decomposed by 99% or more at the lower temperature of the melting furnace 7 of 1200 to 1600 ° C and the residence time of 0.5 to 1 second. In the combustion chamber 9 as well, 99% or more is similarly decomposed between the combustion chamber temperature of 800 to 950 ° C. and the residence time of 2 seconds. Hydrochloric acid and hydrofluoric acid in the decomposed gas are not shown, but by blowing slaked lime into the duct arranged on the downstream side of the melting furnace,
Most of them are absorbed by the following reactions, and others are released to the atmosphere.
【００１７】ＣａＯ＋２ＨＣｌ→ＣａＣｌ2＋Ｈ2Ｏ ＣａＯ＋２ＨＦ→ＣａＦ2＋Ｈ2Ｏ 前記実施例においては、各々蒸発後のフロン中へヒータ
ーで加熱した水蒸気を添加し、その後混合させるように
しているが、本願発明において、水蒸気の添加・混合の
要否は、次の考え方により決定するとよい。CaO + 2HCl➝CaCl 2 + H 2 O CaO + 2HF➝CaF 2 + H 2 O In the above-mentioned Examples, steam heated by a heater was added to each of the Freon after evaporation, and then mixed. In the above, whether or not the addition / mixing of water vapor is necessary may be determined according to the following concept.
【００１８】前述のとおり、フロンの分解には水（水蒸
気）が必要である。一方、廃棄物溶融炉及び燃焼室に
は、溶融・燃焼作用としての空気が系外から各々導入
（供給）されている。この燃焼用の空気中には、フロン
の分解に必要な水（水蒸気）が含まれており、雨天時、
梅雨時には湿度が高く、この場合、フロンの分解に必要
な水（水蒸気）の量は導入する空気の量、処理するフロ
ンの量にもよるが、基本的には導入される空気中の水分
で十分であり、前記実施例で述べたとおりの水蒸気の添
加は不要となる。As described above, water (steam) is required for decomposing CFCs. On the other hand, air as a melting / combustion action is introduced (supplied) into the waste melting furnace and the combustion chamber from outside the system. This combustion air contains water (steam) necessary for decomposing CFCs,
During the rainy season, the humidity is high. In this case, the amount of water (steam) required for the decomposition of CFC depends on the amount of air to be introduced and the amount of CFC to be treated, but basically it is the amount of water in the introduced air. This is sufficient, and the addition of water vapor as described in the above example is unnecessary.
【００１９】逆に、冬期等空気が乾燥し湿度が低いた
め、フロンの分解に必要な水（水蒸気）の量が不足する
場合、前記実施例のとおりフロンの分解に必要な水蒸気
の添加をするとよい。On the other hand, when the amount of water (steam) required for decomposing CFCs is insufficient due to dry air and low humidity during winter, when the amount of steam required for decomposing CFCs is added as in the above embodiment. Good.
【００２０】要するに、フロンの処理量に対して、前記
種々の反応式により算出されるフロンの反応に必要なモ
ル数の１．０倍から３．０倍の水蒸気量が確保されるか
どうかを、操業時の空気導入量、空気の湿度等から試算
し、不足するのであれば水蒸気の添加をするとよい。In short, whether the amount of water vapor which is 1.0 to 3.0 times the number of moles required for the reaction of CFC calculated by the above various reaction formulas is ensured with respect to the amount of CFC treatment. A trial calculation is made from the amount of air introduced during operation, the humidity of the air, etc. If there is a shortage, it is advisable to add steam.
【００２１】次に、蒸発後のフロンの導入場所として、
前記実施例においては、廃棄物溶融炉、溶融炉への空気
吹き込み配管、燃焼室、燃焼室への空気吹き込み配管の
各々４箇所が適切であり、これらの箇所ではフロンの分
解に必要な温度である８００°Ｃ以上及び必要滞留時間
０．５〜２秒又は２秒以上が得られるため、基本的には
どこでもフロンの分解は可能である。ここで、フロンの
分解をさらに効率的に行うためには、前記各々の空気吹
き込み配管へフロンを導入するとよい。つまり、空気流
により導入されたフロンの均一撹拌及び羽口近傍では、
可燃分の燃焼反応による発熱反応が発生し、より高温雰
囲気となるためである。また、廃棄物溶融が多段羽口の
場合において、フロンの最適空気吹き込み配管である羽
口としては、前述のとおり下段の羽口は酸素富化であ
り、それにより炉内でより高温雰囲気となること、更に
は必要滞留時間がより多く確保できることから、下段の
羽口への吹き込みが好ましい。Next, as a place for introducing the chlorofluorocarbon after evaporation,
In the above-mentioned embodiment, each of the waste melting furnace, the air blowing pipe to the melting furnace, the combustion chamber, and the air blowing pipe to the combustion chamber is suitable at four locations, and at these locations, the temperature required for the decomposition of CFCs is appropriate. Since a certain temperature of 800 ° C. or higher and a required residence time of 0.5 to 2 seconds or 2 seconds or more can be obtained, basically, CFC can be decomposed anywhere. Here, in order to more efficiently decompose CFCs, CFCs may be introduced into each of the air blowing pipes. In other words, in the uniform stirring of freon introduced by the air flow and near the tuyere,
This is because an exothermic reaction occurs due to the combustion reaction of combustible components, and the atmosphere becomes a higher temperature. Also, in the case where waste melting is multi-stage tuyere, as the tuyere which is the optimum air blowing pipe for CFCs, the lower tuyere is enriched with oxygen as described above, which results in a higher temperature atmosphere in the furnace. In addition, since it is possible to secure a longer required residence time, it is preferable to blow the tuyere on the lower stage.
【００２２】[0022]
１） 本願発明では、約１２００〜１６００°Ｃに保持
されている溶融炉又は約８００〜９５０°Ｃに保持され
ている燃焼室を利用するので、フロンの分解に必要な高
温が系外から新たな熱源を何ら必要とすることなく容易
に得られる。1) In the present invention, since the melting furnace maintained at about 1200 to 1600 ° C or the combustion chamber maintained at about 800 to 950 ° C is used, the high temperature required for decomposing the fluorocarbon is newly added from outside the system. It is easily obtained without the need for any heat source.
【００２３】２） 本願発明によれば、フロンを特定の
処理設備を用いることなく、既存の廃棄物溶融炉あるい
は燃焼室を利用して安価にかつ安全に処理することがで
きる。2) According to the present invention, it is possible to process CFCs inexpensively and safely by using an existing waste melting furnace or combustion chamber without using a specific processing facility.
【図面の簡単な説明】[Brief description of drawings]
【図１】 本願発明を実施するための工程概略図であ
る。FIG. 1 is a process schematic diagram for carrying out the present invention.
１ フロンボンベ ２ フロン蒸発器 ３ 加熱器 ４ ポンプ ５ 蒸発器 ６ ヒータ ７ フロン混合器 ８ 廃棄物溶融炉 ９ 廃棄物溶融炉の下部 １０ 燃焼室 １１，１２ 空気ライン 1 CFC cylinder 2 CFC evaporator 3 Heater 4 Pump 5 Evaporator 6 Heater 7 CFC mixer 8 Waste melting furnace 9 Lower part of waste melting furnace 10 Combustion chamber 11, 12 Air line
───────────────────────────────────────────────────── フロントページの続き (72)発明者 井元 和夫 北九州市戸畑区大字中原46−59 日鐵プラ ント設計株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuo Imoto 46-59 Nakahara, Tobata-ku, Kitakyushu City Nittetsu Plant Design Co., Ltd.
Claims (2)
させた後、蒸発物を廃棄物溶融炉の下部の高温部もしく
は廃棄物溶融炉の後段に配設された燃焼室の燃焼領域に
直接導入するか又は廃棄物溶融炉の空気吹き込み配管も
しくは燃焼室の空気吹き込み配管に導入し、フロンを高
温で加水分解及び酸化分解することを特徴とする廃棄物
溶融炉を利用したフロン分解方法。1. The recovered fluorocarbons are gasified and vaporized by an evaporator, and then the vaporized substances are introduced into a combustion zone of a combustion chamber arranged at a high temperature part of the lower part of the waste melting furnace or at a subsequent stage of the waste melting furnace. A method for decomposing CFCs using a waste melting furnace, characterized by hydrolyzing and oxidatively degrading CFCs at a high temperature by directly introducing or introducing into an air injection pipe of a waste melting furnace or an air injection pipe of a combustion chamber.
させた後、混合器で水蒸気と混合し、混合物を廃棄物溶
融炉の下部の高温部もしくは廃棄物溶融炉の後段に配設
された燃焼室の燃焼領域に直接導入するか又は廃棄物溶
融炉の空気吹き込み配管もしくは燃焼室の空気吹き込み
配管に導入し、フロンを高温で加水分解及び酸化分解す
ることを特徴とする廃棄物溶融炉を利用したフロン分解
方法。2. The recovered chlorofluorocarbon is gasified and vaporized by an evaporator and then mixed with water vapor by a mixer, and the mixture is disposed at a high temperature part in the lower part of the waste melting furnace or at a subsequent stage of the waste melting furnace. Waste melting furnace characterized by being directly introduced into the combustion region of the combustion chamber or introduced into the air blowing pipe of the waste melting furnace or the air blowing pipe of the combustion chamber to hydrolyze and oxidize CFCs at high temperature. CFC decomposition method using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08166452A JP3085358B2 (en) | 1995-11-14 | 1996-06-26 | CFC decomposition method using waste melting furnace |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7-295791 | 1995-11-14 | ||
| JP29579195 | 1995-11-14 | ||
| JP08166452A JP3085358B2 (en) | 1995-11-14 | 1996-06-26 | CFC decomposition method using waste melting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09196349A true JPH09196349A (en) | 1997-07-29 |
| JP3085358B2 JP3085358B2 (en) | 2000-09-04 |
Family
ID=26490822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08166452A Expired - Lifetime JP3085358B2 (en) | 1995-11-14 | 1996-06-26 | CFC decomposition method using waste melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3085358B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000199620A (en) * | 1998-10-12 | 2000-07-18 | Nkk Corp | Incinerating heat treating furnace for refuse |
| JP2002166165A (en) * | 2000-12-04 | 2002-06-11 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Method of decomposing fluorocarbon |
| JP2002166164A (en) * | 2000-12-04 | 2002-06-11 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Fluorocarbon decomposing method using gas burner furnace |
| JP2005111433A (en) * | 2003-10-10 | 2005-04-28 | Kanken Techno Co Ltd | Treating method for fluorine compound-containing exhaust gas and apparatus therefor |
| JP2010179223A (en) * | 2009-02-04 | 2010-08-19 | Daioh Shinyo Co Ltd | Method for performing neutralization treatment for acid gas and apparatus therefor |
-
1996
- 1996-06-26 JP JP08166452A patent/JP3085358B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000199620A (en) * | 1998-10-12 | 2000-07-18 | Nkk Corp | Incinerating heat treating furnace for refuse |
| JP2002166165A (en) * | 2000-12-04 | 2002-06-11 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Method of decomposing fluorocarbon |
| JP2002166164A (en) * | 2000-12-04 | 2002-06-11 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Fluorocarbon decomposing method using gas burner furnace |
| JP2005111433A (en) * | 2003-10-10 | 2005-04-28 | Kanken Techno Co Ltd | Treating method for fluorine compound-containing exhaust gas and apparatus therefor |
| JP2010179223A (en) * | 2009-02-04 | 2010-08-19 | Daioh Shinyo Co Ltd | Method for performing neutralization treatment for acid gas and apparatus therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3085358B2 (en) | 2000-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106987275A (en) | The high-temperature plasma gasification and melting processing system and method for trade waste | |
| JP3085358B2 (en) | CFC decomposition method using waste melting furnace | |
| KR20110023253A (en) | Method and apparatus for treating used refrigerant | |
| JP3965216B2 (en) | CFC decomposition method using high frequency plasma | |
| JP2002166165A (en) | Method of decomposing fluorocarbon | |
| JP3576753B2 (en) | CFC decomposition system | |
| JP2002166164A (en) | Fluorocarbon decomposing method using gas burner furnace | |
| JP2831980B2 (en) | Waste Freon treatment method | |
| JP2002310419A (en) | Thermal decomposition facility by gas engine power generation facility using digestive gas | |
| JP2003226511A (en) | Activated carbon manufacturing method and apparatus therefor | |
| JP3457518B2 (en) | Method and apparatus for treating waste containing urethane foam | |
| JP2003232508A (en) | Thermal decomposition treatment method and facility therefor | |
| JP3609915B2 (en) | Detoxification method for CFC-containing insulation | |
| JP2005030608A (en) | Heating treatment installation with gas combustor | |
| JP2003130324A (en) | Method of processing fluorocarbon | |
| JP3734963B2 (en) | Detoxification method for organochlorine compounds, etc. with mixed molten salt | |
| JP3917842B2 (en) | How to treat CFCs | |
| JP2004169954A (en) | Operation method for waste incinerator and waste incinerator | |
| JPH08270922A (en) | Method for making fluorocarbon harmless | |
| JP2002282896A (en) | Thermal decomposition treatment plant and method based on gas engine power generation using digestion gas | |
| JP2002126501A (en) | Device for decomposing organic halogenated compound | |
| JP2001082721A (en) | Decomposition of flon | |
| JP4405888B2 (en) | Detoxification method of gas to be processed using electric furnace for steelmaking | |
| JP2000271440A (en) | Method for decomposing and removing harmful material in waste gas and device therefor | |
| JP2001096147A (en) | Method and apparatus for decomposition treatment of hardly decomposable substance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000616 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080707 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090707 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100707 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110707 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120707 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130707 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130707 Year of fee payment: 13 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130707 Year of fee payment: 13 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130707 Year of fee payment: 13 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130707 Year of fee payment: 13 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |